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Title: Cross section and transverse single-spin asymmetry of muons from open heavy-flavor decays in polarized p + p collisions at s = 200 ? ? GeV

Journal Article · · Physical Review. D.
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The cross section and transverse single-spin asymmetries of μ- and μþ from open heavy-flavor decays in polarized p þ p collisions at ffiffiffi s p ¼ 200 GeV were measured by the PHENIX experiment during 2012 at the Relativistic Heavy Ion Collider. Because heavy-flavor production is dominated by gluon-gluon interactions at ffiffiffis p ¼ 200 GeV, these measurements offer a unique opportunity to obtain information on the trigluon correlation functions. The measurements are performed at forward and backward rapidity (1.4 < jyj < 2.0) over the transverse momentum range of 1.25 < pT < 7 GeV=c for the cross section and 1.25 < pT < 5 GeV=c for the asymmetry measurements. The obtained cross section is compared to a fixed-order-plus-next-to-leading-log perturbative-quantum-chromodynamics calculation. The asymmetry results are consistent with zero within uncertainties, and a model calculation based on twist-3 three-gluon correlations agrees with the data.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Nuclear Science and Security Consortium; Univ. of California, Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
Contributing Organization:
PHENIX Collaboration
Grant/Contract Number:
SC0012704; NA0003180
OSTI ID:
1354705
Alternate ID(s):
OSTI ID: 1363839; OSTI ID: 1407972; OSTI ID: 1455067
Report Number(s):
BNL-113803-2017-JA; PRVDAQ
Journal Information:
Physical Review. D., Vol. 95, Issue 11; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 15 works
Citation information provided by
Web of Science

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Cited By (4)

Single-spin asymmetry of J / ψ production in p + p , p + Al , and p + Au collisions with transversely polarized proton beams at s N N = 200 GeV journal July 2018
Probing the gluon Sivers function in p p J / ψ X and p p D X journal August 2017
Unraveling the gluon Sivers function in hadronic collisions at RHIC journal February 2019
Measurements of μ μ pairs from open heavy flavor and Drell-Yan in p + p collisions at s = 200 GeV journal April 2019